Overview...CSM-8 Compact Mixers With USB / BluetoothCompact format audio mixer with 2 mono input channels and a stereo line input. Each mono channel has a combo XLR/jack input with individually switchable mic/instrument impedance and +48V phantom power for the XLR. Input channels have High/Low EQ and Pan controls and mono channels also have Effects level to vary the amount of internal digital delay effect added for vocals or instruments. An internal player/recorder with backlit display can accept a USB memory stick containing compressed audio files in various formats or alternatively connect to a smart phone via BT wireless link. Output is delivered on a pair of balanced XLR connectors and offers very low noise operation for high quality studio or live performances.Key Features...- Inputs: 6 x combo XLR/jack + stereo jack- Integral USB multi-format audio player- BT wireless connectivity- Digital delay effect for vocals or instruments- Individually switchable +48V phantom power- Built in record function- Supplied with DC power adaptor- Power supply: 5Vdc 1A (adaptor included)- Power consumption max.: 5W- Gain: -14 to +40dB- EQ: low ±15dB @ 80Hz- EQ: high ±15dB @ 12kHz- Phantom power: +48V individually switchable (XLR inputs only)- Input impedance : mic 2k Ohms- Input impedance : instrument 1M Ohms- Input impedance : line 20k Ohms- Audio source: Internal USB player/recorder & BT receiver- Audio format: USB playback mp3, wma, ape, flac / record mp3 (48kHz 128kB/s)- Bluetooth version: 2.1 + EDR- Frequency response: 20Hz - 20kHz (±0.5B)- THD +N: